Sill and lintel machine.



PATENTED APR. 10, 1906. I F. A. BURST. SILL AND LINTBL MACHINE.

APPLICATI ON IILED DEO.18, 1905- 2 SHEETSSHEET 1,

guneutm; @13 \ALE, Attnrnng 0 (X -B 0 Y SKI. dwwwll W W No. 817,413.PATENTED APR.10, 1906. F. A. BURST. SILL AND LINTEL MACHINE.

APPLIOATION IILED DEO.18, 1905.

2 SHEETSSHEET 2.

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p arns PATENT FIFIOE.

FRANK A. BORST, OF SOUTH BEND, INDIANA, ASSIGNOR TO THE IDEAL CONCRETEMACHINERY COMPANY, OF SOUTH BEND, INDIANA, A COR- PORATION OF INDIANA.

$lLL AND LINTE L MACHINE.-

Specification of Letters Patent.

Patented April 10, 1906.

Application filed December 18, 1905. Serial Nu 292,179.

To col/Z whom it may concern.-

Be it known that I, FRANK A. Bons'r, a citizen of the United States, anda resident of South Bend, in the county of St. Joseph and State ofIndiana, have invented a new and moving it out, so it may be easilyhandled.

My invention further consists in the details set forth in the followingdescription and claims and illustrated in the accompanying drawings, inwhich Figure 1 is a plan of the machine, the re movable baseboard andpallet being omitted for the sake of clearness. Fig. 2 is a crosssectionon the line A A of Fig. 1. Fig. 3 is an enrll view of the mold. Figs. 4and 5 are detai s.

Similar reference characters refer to like parts throughout the severalviews.

In the drawings the rear legs 1, the middle legs 2, and the short frontlegs 3 on each side are connected by the side frames 4. V The legs 1 and2 are also connected by the crossbar 5 and the top, which is arectangular frame having side bars 6 and 7, end bars 8, an intermediatecross-bars 9. The bars 9 have longitudinal slots which are enlar ed attheir bottoms to receive the heads of the bolts 1.1, which are slidabletherein, which bolts secure the brackets 10 to the cross-bars. The backplate 12 is secured to the brackets 10 and may therefore be positionedat any desirable distance from the front plate. The machine can thus bereadily adjusted for the manu facture of sills, lintels, and coping ofany desired width. The front plate 13 is mounted on the top by means ofthe hin es 14 and is adapted to be swung out and down, its limit ofmovement being determined by the screws 15, carried by the legs 2. (SeeFig. 2.) End plates 16 are hinged to the vertical edges of the frontplate and when the mold is closed fit against the vertical ends of theback plate 12, as shown in Fig. 1. The length of the mold is notadjustable, but filling-pieces may be employed to shorten the spacewithin the mold.

To secure the end plates firmly against the ends of the back plate, Ipivot the links 17 to the back plate on bolts 18. These links are soformed that the pivots 19 for the cams 20 will extend down below theupperedges of the end plates. The cams have handles 21., so that theymay be depressed and the end plates locked in position. As these linksare secured to the back plate, they will be operative at whateverdistance from the front plate the back plate may be placed.

The plate or board 22 forms the face of the object molded, and, thedistance between it and the pallet 23 determines the thickness. Tosupport this plate, I screw-thread a series of holes 24 in the lower ed'es of the end. plates, (see Fig. 4,) in which lioles the bolts 25, thatsecure the brackets 26, engage. These brackets carry set-screws 27,which support the plate 22 at any desired height. By having these seriesof holes 24 the brackets may be positioned for all widths of the plates24, which plates will always be the same width as the molded article.

Secured to the outside of the end plates are the brackets 28 ,whichcarry pins 29 on which pins are mounted the eyebolts 30. The ends of thepallet 23 are slotted, so that the bolts may be swung up into position,the pallet being secured in place by means of the thumbnuts 31.

The carrier-bars 32. are mounted at their rear ends on the pins 32,secured to the rear legs 1. Their front ends rest on the cams 33, whichare mounted on the shaft 34. This shaft is operated by the lever 35.Secured to the frames 4 are the brackets 36, which are cut outsufficiently to permit the carrier-bars to drop below the upper line ofthe frames 4 and which brackets slidably support the pusher-bars 37 Acrank 38 and link 39 connect the forward end of each pusher-bar to theshaft 34. The upwardly-proj ecting hook 40 on each pusher-bar isnormally to the rear of the end of the screw 15.

The operation of the machine is as follows: The screws 27 and brackets10 are adjusted to determine the width and thickness of the article tobe molded. The end plates 16 are locked in place by the cams 20 and themold filled with the desired material, which is rammed as it is filledin. The material is then smoothed off on the top and dry sand thrown onthe same. The pallet 23 is then laid on the top and worked around sothat it may grind itself to place, contact along the whole upper surfaceof the block being necessary. The bolts are then swung up and the nuts31 turned down until the pallet is securely held against the end plates16. cams 20 and links 17 are thenswung upward and inward, thus freeingthe end plates from the back plate. The operators then take hold of thehandles 11 and roll the block, front plate, and end plates over as aunit until the front plate contacts with the screws 15. At this time thepallet 23 will rest on the two carrier-bars, which are in the positionshown in Fig. 2. The nuts 31 are then turned back, the bolts 30 swungout of the way, thus releasing the pallet, and the mold is swung back toposition. The handle 35 is then swung over, which first lowers thepallet 28 and the molded block down onto the side frames 4, and then,continuing its movement, pulls the pusher forward, which causes thehooks to engage the pallet and push pallet and block forward from theposition where the mold left them to one where they can be easilyhandled and carried off.

It may be somewhat difficult at times to place the board or plate 22inposition on the screws 27. To remedy this, a strut 42 is pivoted tothe end 8 of the top. YVhen the emptied mold is swung back to fillingposition,

the operators cause the handle 41 on one side to rest in the V of thisstrut, thus causing an opening into the mold over the back plate, intowhich the plate 22 may be easily introduced. Any of the well-knowndevices and processes may be employed to give the faces and ends ofblocks molded on this machine any desired configuration.

Having now explained my improvements, what I claim as my invention, anddesire to secure by Letters Patent, is-

1. In a concrete-molding machine, the

combination of a frame, a top for the same,

and a knockdown mold comprising a rear side plate adjustably secured tothe top, a front side plate hinged to the top, end plates hinged to thefront side plate, and a bottom plate carried by the end plates.

2. In a concrete molding machine, the combination of a frame, a top forthe same, a mold comprising a rear side plate adjustably secured to thetop, a front side plate hinged to the front of the top, end plateshinged to the ends of the front side plate, and a bottom carried by theend plates, and means for securing the parts together.

3. In a concrete -molding machine, the

The

combination of a frame, a mold mounted on said frame comprising a frontplate hinged to the frame, a back plate secured to the frame andadjustable with reference to the front plate, end plates and a bottomplate carried by the end plates.

4. In a concrete molding machine, the combination of a frame, a top forthe same, and a knockdown mold comprising a rear side plate, a frontside plate hinged to the top, end plates, and a bottom plate carried bythe end plates.

-5. In a concrete-molding machine, the combination of a frame, and amold mounted on said frame comprising a front plate hinged to the frame,aback plate secured to the frame and adjustable with reference to thefront plate, end plates, a removable bottom plate mounted on the endplates, and means to adjust the position of the bottom plate.

6. In a concrete-molding machine, the combination of a frame, and a moldmounted on said frame comprising a front plate hinged to the frame, aback plate secured to the frame, end plates hinged to the front plate,and a removable bottom plate, and means adjustably secured to the endplatesfor carrying said bottom plate.

7. In a concrete-molding machine, the combination of a frame, a moldmounted thereon, projecting side bars connected to said frame, a shaftmounted in the forward ends of the side bars, and carrier-bars pivotedto the frame at their rear ends and adjustably supported at the frontends by said shaft, said mold in part adapted to be turned to dischargethe molded article onto the carrier-bars.

8. In a concrete-molding machine, the combination of a frame, a moldmounted thereon, projecting side bars connected to said frame, a shaftmounted in the forward ends of the side bars, carrier-bars pivoted tothe frame at their rear ends and adjustably supported at the front endsby said shaft, said mold in part adapted to be turned to discharge themolded article onto the carrierbars, and means connected to said shaftand adapted to move the molded articles forward.

9. In a concrete-molding machine, the combination of a frame having amain and a forwardly-projecting portion, a shaft journaled in saidforwardly-projecting portion, a hinged mold mounted on said main portionand adapted to be swung forward to discharge the molded article onto theforwardly-proj ectin portion, and means connected to said shaft forconveying the article forward.

10. In a concrete-molding machine, the combination of upright legs, atop connecting the same, a hinged mold mounted on said top, said moldadapted to be swung forward to discharge the molded article onto sidebars, side bars connected to said legs, a shaft mounted in the forwardends of the side bars,

srmtls and means connected to said shaft and carried by said side barsfor conveying the article forward.

11. In a concrete-molding machine, the combination of an upright frame,a hinged mold mounted thereon, projecting side frames connected to saidupright frame, a shaft mounted therein, and vertical1ymovable barspivoted at one end on the frame and supported at the other end by saidshaft and adapted to receive the molded article from the mold when thesame is turned to discharging position, and lower the article onto theside frames.

' 12. In a concrete-molding machine, the combination of an uprightframe, a mold mounted on the same comprising a stationary back plate,and front, end and bottom. plates adapted to be swung to carry themolded articles to discharging position, said end plates provided withmeans to secure the pallet to the mold, forwardly extending framesconnected to the main frames, a shaft carried by saidforwardly-extending frames, cams carried by said shaft, carrier -l arsmounted onpins on said upright frame and resting on said cams andadapted to receive the molded articles from said mold and lower the sameonto the forwardly extending frames, and means connected to said shaftfor conveying said molded articles forward.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

FRANK A. BORST. Witnesses:

SIBYL JACKSON, ALMA RHEAD.

